In a reversal of current design trends the MIT concept increases the bypass ratio by minimizing expansion of the overall diameter of the engine and shrinking the diameter of the jet exhaust instead.
与现行设计趋势相反,麻省的概念通过最小化发动机总体直径的尺度以及相应缩小喷气排放直径来增加涵道比。
The factors influencing the corrosion depth including the porous volume of concrete, thickness of concrete cover, diameter of rebar and the corrosion expansion rate are analyzed.
分析了影响混凝土保护层胀裂时钢筋锈蚀深度的各个因素,包括混凝土水泥石毛细孔的体积、混凝土保护层的厚度、钢筋直径和铁锈膨胀率。
Based on typical engineering examples, the stability problem of base expansion of large diameter expanded-base piles in sand layer is summarized and analyzed.
结合典型工程实例,总结和分析了大直径扩底桩在砂层中的扩底稳定问题。
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